package com.atguigu.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.atguigu.commonutils.R;
import com.atguigu.servicebase.exceptionhandler.GuliException;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.utils.ConstansUtils;
import com.atguigu.vod.utils.InitVodClient;
import jdk.internal.util.xml.impl.Input;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {
    @Override
    public String uploadVideoAliyun(MultipartFile file) {
        String videoId= null;
        try {
            //accessKeyId accessKeySecret 使用工具类从配置文件中获取
            //fileName 上传文件原始名称
            String fileName = file.getOriginalFilename();
            //title 阿里云控制台显示的视频名称
            String title  = fileName.substring(0,fileName.lastIndexOf("."));
            //inputStream 上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstansUtils.ACCESS_KEY_ID, ConstansUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            if (response.isSuccess()) {
                 videoId =  response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId =  response.getVideoId();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return videoId;
    }

    /**
     * 删除多个阿里云视频
     * @param videoIdList
     */
    @Override
    public void removeMoreAlyVideo(List<String> videoIdList) {
        try {
            //获取自定义对象
            DefaultAcsClient client = InitVodClient.initVodClient(ConstansUtils.ACCESS_KEY_ID, ConstansUtils.ACCESS_KEY_SECRET);
            //创建删除Video的request对象
            DeleteVideoRequest deleteVideoRequest = new DeleteVideoRequest();
            String lastStr = StringUtils.join(videoIdList.toArray(), ",");

            deleteVideoRequest.setVideoIds(lastStr);
            //调用client对象实现删除
            client.getAcsResponse(deleteVideoRequest);

        } catch (Exception e) {
            e.printStackTrace();
            throw  new GuliException(20001,"删除视频失败");
        }
    }
}
